The Hokuso 7260 series (北総鉄道7260形) was a commuter electric multiple unit (EMU) train type owned and operated by the third-sector railway company Hokuso Railway on the Hokuso Line in Japan from March 2006 until March 2015.

The single eight-car train was formed from two former Keisei 3300 series four-car EMU sets leased from Keisei Electric Railway.

[1] The fleet consisted of a single eight-car set formed of two permanently coupled four-car sets as shown below, with all cars motored, and car 1 at the southern end.

[2] Formed of two former Keisei 3300 series four-car sets, the 7260 series trainset entered service on the Hokuso Railway in March 2006.

[3] The 7260 series trainset was withdrawn following its final day in revenue service on 22 March 2015.